The swelling Tom River in southwestern Siberia has led to a partial dam collapse in the city of Tomsk. This year’s heavy rainfall, combined with abnormally warm spring weather, has led to severe flooding in Russia’s Urals and western Siberia. So far, the floods have submerged around 15,600 homes and 28,000 land plots in 193 Russian towns and cities across 33 regions.

Toxic fuel from 21,000 ton leak reaches pristine lake, bypassing floating booms, as rivers of diesel pollution cover-up is exposed.

The exact reason of the leak is yet to be established, but a statement from Norilsk Nickel company, which operates the site suggests it could have been caused - worryingly - by collapsing permafrost.

State of emergency in Irkutsk region as President Vladimir Putin flies in amid carnage from heavy rain - with ‘worse to come’.